package com.atguigu.yygh.hosp.service.Impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.yygh.hosp.repository.DepartmentRepository;
import com.atguigu.yygh.hosp.service.DepartmentService;
import com.atguigu.yygh.model.hosp.Department;
import com.atguigu.yygh.vo.hosp.DepartmentQueryVo;

import com.atguigu.yygh.vo.hosp.DepartmentVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.data.domain.*;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Service
public class DepartmentServiceImpl implements DepartmentService {

    @Autowired
    private DepartmentRepository departmentRepository;

    @Override
    public void save(Map<String, Object> switchMap) {
        String paramMapString = JSONObject.toJSONString(switchMap);
        Department department = JSONObject.parseObject(paramMapString, Department.class);
        Department departmentExist= departmentRepository.getDepartmentByHoscodeAndDepcode(department.getHoscode(),department.getDepcode());
            if(departmentExist!=null){
                departmentExist.setUpdateTime(new Date());
                departmentExist.setIsDeleted(0);
                departmentRepository.save(departmentExist);
            }else{
                department.setUpdateTime(new Date());
                department.setCreateTime(new Date());
                department.setIsDeleted(0);
                departmentRepository.save(department);
            }
    }

    @Override
    public Page<Department> findPageDepartment(int page, int limit, DepartmentQueryVo departmentQueryVo) {

       //创建pageable对象  设置当前页和每页记录数
        Pageable pageable = PageRequest.of(page-1, limit);
        Department department = new Department();
        BeanUtils.copyProperties(departmentQueryVo,department);
        department.setIsDeleted(0);
        //创建example对象
        ExampleMatcher matcher=ExampleMatcher.matching().withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING).withIgnoreCase(true);

        Example<Department> example = Example.of(department, matcher);

       Page<Department> all = departmentRepository.findAll(example,pageable);

        return all;
    }

    @Override
    public void remove(String hoscode, String depcode) {
        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
        if(department != null) {
            //调用方法删除
            departmentRepository.deleteById(department.getId());
        }
    }

    @Override
    public Department getDepartment(String hoscode, String depcode) {
        return departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
    }

    //根据编号查询医院所有科室列表
    @Override
    public List<DepartmentVo> findDeptTree(String hoscode) {
        //返回的结果
        List<DepartmentVo> result=new ArrayList<>();

        Department departmentQuery = new Department();
        departmentQuery.setHoscode(hoscode);
        Example example = Example.of(departmentQuery);

        List<Department> departmentList = departmentRepository.findAll(example);

        Map<String, List<Department>> departmentMap
                = departmentList.stream().collect(Collectors.groupingBy(Department::getBigcode));

        for (Map.Entry<String,List<Department>> entry: departmentMap.entrySet()){
            String bigcode = entry.getKey();
            //大科室编号对应全部数据
            List<Department> departmentList1 = entry.getValue();
            //封装大科室
            DepartmentVo departmentVo1=new DepartmentVo();
            departmentVo1.setDepcode(bigcode);
            departmentVo1.setDepname(departmentList1.get(0).getBigname());
            //封装小科室
            List<DepartmentVo> children=new ArrayList<>();
            for (Department department:departmentList1){
                DepartmentVo departmentVo2=new DepartmentVo();
                departmentVo2.setDepcode(department.getDepcode());
                departmentVo2.setDepname(department.getDepname());
          //封装到list集合
                children.add(departmentVo2);
            }

            departmentVo1.setChildren(children);
            //放到最终result中
              result.add(departmentVo1);

        }


        return result;
    }

    @Override
    public String getDepName(String hoscode, String depcode) {
        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
        if(department!=null){
            return department.getDepname();
        }
        return null;
    }
}
